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Special Graphite: High-Performance Carbon for Advanced Technologies
Special graphite refers to a family of engineered graphite materials that exhibit superior properties such as high thermal and electrical conductivity, excellent chemical resistance, and structural stability at extreme temperatures. Unlike natural graphite, special graphite is synthetically produced and tailor-made for demanding applications in industries such as semiconductors, metallurgy, energy storage, aerospace, and mechanical engineering.
Production and Properties
Special graphite is typically produced through the isostatic pressing, extrusion, or vibration molding of synthetic graphite powders followed by high-temperature graphitization (over 2,500°C). The process enables control over grain size, porosity, and purity, leading to materials with specific performance characteristics.
Key Properties:
High purity (typically >99.9% C)
High thermal conductivity (up to 200 W/m·K)
Excellent thermal shock resistance
Chemical inertness in harsh environments
High strength-to-weight ratio